Tablet Touch Display Device and Control Method

Abstract

A tablet touch display device is disclosed. The tablet touch display device includes a switch for generating a first control signal and a second control signal and comprising a slide slid by an external force to adjust the first control signal and the second control signal, a touch device for outputting a touch signal such that the tablet touch display device executes a touch function, an accelerometer for outputting a rotate signal such that the tablet touch display device executes a screen rotation function, a control module coupled to the switch, the touch device and the accelerometer for outputting a display signal according to the first control signal, the second control signal, the touch signal and the rotate signal, and a display coupled to the control module for displaying a screen associated with the touch function and the screen rotation function according to the display signal.

What is claimed is: 
     
         1 . A tablet touch display device, comprising:
 a switch for generating a first control signal and a second control signal and comprising a slide slid by an external force to adjust the first control signal and the second control signal;   a touch device for outputting a touch signal such that the tablet touch display device executes a touch function;   an accelerometer for outputting a rotate signal such that the tablet touch display device executes a screen rotation function;   a control module coupled to the switch, the touch device and the accelerometer for outputting a display signal according to the first control signal, the second control signal, the touch signal and the rotate signal; and   a display coupled to the control module for displaying a screen associated with the touch function and the screen rotation function according to the display signal.   
     
     
         2 . The tablet touch display device of  claim 1 , wherein the control module comprises a power controller coupled to the switch, the touch device and the accelerometer for outputting a first power signal to the touch device according to the first control signal to switch a power of the touch device so as to turn on or off the touch function, and outputting a second power signal to the accelerometer according to the second control signal to switch a power of the accelerometer so as to turn on or off the screen rotation function. 
     
     
         3 . The tablet touch display device of  claim 2 , wherein when the slide is slid by the external force such that the first and the second control signal are at a low logic level, the power controller respectively outputs the first and second power signals to the touch device and the accelerometer to turn off the power of the touch device and the accelerometer, so as to turn off the touch function and the screen rotation function; and when the slide is slid by the external force such that the first and second control signals are at a high logic level, the power controller respectively outputs the first and second power signals to the touch device and the accelerometer to turn on the power of the touch device and the accelerometer, so as to turn on the touch function and the screen rotation function. 
     
     
         4 . The tablet touch display device of  claim 1 , wherein the control module further comprises a processor coupled to the power controller, the touch device, the accelerometer and the display for outputting the display signal to the display according to the touch signal and the rotate signal, such that the display displays the screen associated with the touch function and the screen rotation function according to the display signal. 
     
     
         5 . The tablet touch display device of  claim 4 , wherein the processor is further coupled to the switch for determining whether to execute the touch function and the screen rotation function according to the first control signal and the second control signal. 
     
     
         6 . The tablet touch display device of  claim 5 , wherein when the slide is slid by the external force such that the first and second control signals are at a low logic level, the processor stops executing the touch function and the screen rotation function; and when the slide is slid by the external force such that the first and second control signal are at a high logic level, the processor executes the touch function and the screen rotation function. 
     
     
         7 . The tablet touch display device of  claim 1 , wherein the switch further comprises:
 a first pin coupled to a power terminal for providing a high logic level;   a second pin coupled to a third pin and a ground terminal for providing a low logic level;   a fourth pin coupled to the first pin for outputting the second control signal; and   a fifth pin coupled to the first pin for outputting the first control signal.   
     
     
         8 . The tablet touch display device of  claim 7 , wherein when the slide is slid by the external force such the second pin and the fifth pin are connected, the first control signal is coupled to the ground terminal and at the low logic level so as to turn off the touch function; when the slide is slid by the external force such the second pin and the fourth pin are connected, the second control signal is coupled to the ground terminal and at the low logic level so as to turn off the screen rotation function; and when the slide is slid by the external force such the fourth pin and the fifth pin are not connected to the ground terminal, the first control signal and the second control signal are at the high logic level so as to execute the touch function and the screen rotation function. 
     
     
         9 . The tablet touch display device of  claim 7 , wherein the switch is a two-way sliding switch or a one-way sliding switch. 
     
     
         10 . The tablet touch display device of  claim 1 , further comprising a housing, the switch is disposed on a side surface, atop surface or a bottom surface of the housing. 
     
     
         11 . A control method for a tablet touch display device, wherein a switch of the tablet touch display device comprises a slide slid by an external force, the control method comprising:
 generating a first control signal and a second control signal by the switch and adjusting the first control signal and the second control signal according to a position of the slide; and   determining whether to execute a touch function according to the first control signal and determining whether to execute a screen rotation function according to the second control signal.   
     
     
         12 . The control method of  claim 11 , wherein the step of determining whether to execute a touch function according to the first control signal and determining whether to execute a screen rotation function according to the second control signal comprises:
 stop executing the touch function and the screen rotation function when the slide is slid by the external force such that the first and second control signals are at a low logic level; and   executing the touch function and the screen rotation function when the slide is slid by the external force such that the first and second control signals are at a high logic level.   
     
     
         13 . The control method of  claim 11 , wherein the step of determining whether to execute a touch function according to the first control signal and determining whether to execute a screen rotation function according to the second control signal comprises:
 outputting a first power signal to a touch device to switch a power of the touch device according to the first control signal, so as to turn on or off the touch function; and   outputting a second power signal to an accelerometer to switch a power of the accelerometer according to the second control signal, so as to turn on or off the screen rotation function.   
     
     
         14 . The control method of  claim 13 , wherein when the slide is slid by the external force such that the first and second control signals are at a low logic level, the first and second power signals turn off the power of the touch device and the power of the accelerometer to turn off the touch function the screen rotation function, and when the slide is slid by the external force such that the first and second control signals are at a high logic level, the first and second power signals turn on the power of the touch device and the power of the accelerometer to turn on the touch function and the screen rotation function. 
     
     
         15 . The control method of  claim 11 , wherein the switch further comprises:
 a first pin coupled to a power terminal for providing the high logic level;   a second pin coupled to a third pin and a ground terminal for proving the low logic level;   a fourth pin coupled to the first pin for outputting the second control signal; and   a fifth pin coupled to the first pin for outputting the first control signal.   
     
     
         16 . The control method of  claim 15 , wherein when the slide is slid by the external force such that the second pin and the fifth pin are connected, the first control signal is coupled to the ground terminal and the first control signal is at the low logic level, so as to turn off the touch function; when the slide is slid by the external force such that the second pin and the fourth pin are connected, the second control signal is coupled to the ground terminal and the second control signal is at the low logic level, so as to turn off the screen rotation function; and when slide is slid by the external force such that the fourth pin and the fifth pin are not coupled to the ground terminal, the first control signal and the second control signal are at the high logic level, so as to execute the touch function and the screen rotation function. 
     
     
         17 . The control method of  claim 15 , wherein the switch is a two-way sliding switch or a one-way sliding switch. 
     
     
         18 . The control method of  claim 11 , wherein the tablet touch display device further comprising a housing, the switch is disposed on a side surface, a top surface or a bottom surface of the housing.